basic auth for so-monitoring

Add basic auth for so-monitoring app
Issue submitted in pentest report

Change-Id: I8e826da9b9f66e893826fd9b40b3b26623b2ab8d
Issue-ID: OJSI-169
Signed-off-by: k.kazak <k.kazak@samsung.com>

13 files changed, 489 insertions, 36 deletions

diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/README.md b/so-monitoring/so-monitoring-ui/src/main/frontend/README.md
index 329de0f833..65731cdc5d 100644
--- a/so-monitoring/so-monitoring-ui/src/main/frontend/README.md
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/README.md
@@ -6,6 +6,15 @@ This project was generated with [Angular CLI](https://github.com/angular/angular
 

 Run `ng serve` for a dev server. Navigate to `http://localhost:4200/`. The app will automatically reload if you change any of the source files.

 

+FYI: You may need to change environments.ts to hit to your backend: not so-monitoring:30224 but localhost:8088  

+

+### Logging in

+

+Backend API for so-monitoring. Requires basic auth to access it.

+

+Default credentials:

+- with role GUI-Client: gui/password1$

+

 ## Code scaffolding

 

 Run `ng generate component component-name` to generate a new component. You can also use `ng generate directive|pipe|service|class|guard|interface|enum|module`.

diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/app-routing.module.ts b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/app-routing.module.ts
index 428998dc62..03e77fc2d9 100644
--- a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/app-routing.module.ts
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/app-routing.module.ts
@@ -2,6 +2,8 @@
 ============LICENSE_START=======================================================
  Copyright (C) 2018 Ericsson. All rights reserved.
 ================================================================================
+ Modifications Copyright (c) 2019 Samsung
+================================================================================
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
@@ -24,17 +26,25 @@ import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
 import { HomeComponent } from './home/home.component';
 import { DetailsComponent } from './details/details.component';
+import {AuthGuard} from "./auth.guard";
+import {LoginComponent} from "./login/login.component";
 
 const routes: Routes = [
   {
     // Route to home page
     path: '',
-    component: HomeComponent
+    component: HomeComponent,
+    canActivate: [AuthGuard]
   },
   {
     // Route to page to show individual process based on ID
     path: 'details/:id',
     component: DetailsComponent
+  },
+  {
+    // Route to login page
+    path: 'login',
+    component: LoginComponent
   }
 ];
 
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/app.module.ts b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/app.module.ts
index 23308639b6..71294bfffe 100644
--- a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/app.module.ts
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/app.module.ts
@@ -2,6 +2,8 @@
 ============LICENSE_START=======================================================
  Copyright (C) 2018 Ericsson. All rights reserved.
 ================================================================================
+ Modifications Copyright (c) 2019 Samsung
+================================================================================
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
@@ -28,7 +30,7 @@ import { AppComponent } from './app.component';
 import { SidebarComponent } from './sidebar/sidebar.component';
 import { TopbarComponent } from './topbar/topbar.component';
 import { HomeComponent } from './home/home.component';
-import { HttpClientModule } from '@angular/common/http';
+import { HttpClientModule, HTTP_INTERCEPTORS } from '@angular/common/http';
 import { FormsModule, ReactiveFormsModule } from '@angular/forms';
 import { DetailsComponent } from './details/details.component';
 import { ToastrNotificationService } from './toastr-notification-service.service';
@@ -37,6 +39,9 @@ import { MatFormFieldModule, MatInputModule, MatTableModule, MatTabsModule, MatS
 import { NgxSpinnerModule } from 'ngx-spinner';
 import { RouterModule, Routes } from '@angular/router';
 import { APP_BASE_HREF } from '@angular/common';
+import { LoginComponent } from './login/login.component';
+import {BasicAuthInterceptor} from "./basic-auth.interceptor";
+import {ErrorInterceptor} from "./error.interceptor";
 
 @NgModule({
   declarations: [
@@ -44,7 +49,8 @@ import { APP_BASE_HREF } from '@angular/common';
     SidebarComponent,
     TopbarComponent,
     HomeComponent,
-    DetailsComponent
+    DetailsComponent,
+    LoginComponent
   ],
   imports: [
     BrowserModule,
@@ -64,12 +70,16 @@ import { APP_BASE_HREF } from '@angular/common';
     RouterModule,
     MatPaginatorModule,
     MatSortModule,
-    RouterModule.forRoot([])
+    RouterModule.forRoot([]),
+    ReactiveFormsModule
   ],
   schemas: [
     CUSTOM_ELEMENTS_SCHEMA
   ],
-  providers: [ToastrNotificationService],
+  providers: [
+    { provide: HTTP_INTERCEPTORS, useClass: BasicAuthInterceptor, multi: true },
+    { provide: HTTP_INTERCEPTORS, useClass: ErrorInterceptor, multi: true },
+    ToastrNotificationService],
   bootstrap: [AppComponent]
 })
 export class AppModule { }
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/auth.guard.ts b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/auth.guard.ts
new file mode 100644
index 0000000000..f437a21710
--- /dev/null
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/auth.guard.ts
@@ -0,0 +1,46 @@
+/**
+ ============LICENSE_START=======================================================
+ Copyright (C) 2019 Samsung. All rights reserved.
+ ================================================================================
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+
+ @authors: k.kazak@samsung.com
+ **/
+
+import { Injectable } from '@angular/core';
+import {CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, Router} from '@angular/router';
+import { Observable } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class AuthGuard implements CanActivate {
+
+  constructor(private router:Router) { }
+
+  canActivate(
+    next: ActivatedRouteSnapshot,
+    state: RouterStateSnapshot): Observable<boolean> | Promise<boolean> | boolean {
+      if (localStorage.getItem('authdata')) {
+        // logged in
+        return true;
+      }
+
+      // not logged in
+      this.router.navigate(['/login'], { queryParams: {returnUrl: state.url}});
+      return false;
+  }
+}
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/authentication.service.ts b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/authentication.service.ts
new file mode 100644
index 0000000000..d7610eed0d
--- /dev/null
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/authentication.service.ts
@@ -0,0 +1,50 @@
+/**
+ ============LICENSE_START=======================================================
+ Copyright (C) 2019 Samsung. All rights reserved.
+ ================================================================================
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+
+ @authors: k.kazak@samsung.com
+ **/
+
+import {Injectable} from '@angular/core';
+import {HttpClient} from "@angular/common/http";
+import {environment} from "../environments/environment";
+
+@Injectable({
+  providedIn: 'root'
+})
+export class AuthenticationService {
+
+  constructor(private http: HttpClient) {
+  }
+
+  login(username: string, password: string) {
+    // remove old data from storage
+    localStorage.removeItem('authdata');
+    // add to local storage
+    var authdata = window.btoa(username + ':' + password);
+    localStorage.setItem('authdata', authdata);
+
+    // make request
+    return this.http.get(environment.authBackendURL);
+  }
+
+  logout() {
+    // remove from local storage
+    localStorage.removeItem('authdata');
+  }
+}
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/basic-auth.interceptor.ts b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/basic-auth.interceptor.ts
new file mode 100644
index 0000000000..4990d05ecb
--- /dev/null
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/basic-auth.interceptor.ts
@@ -0,0 +1,43 @@
+/**
+ ============LICENSE_START=======================================================
+ Copyright (C) 2019 Samsung. All rights reserved.
+ ================================================================================
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+
+ @authors: k.kazak@samsung.com
+ **/
+
+import { Injectable } from '@angular/core';
+import { HttpRequest, HttpHandler, HttpEvent, HttpInterceptor } from '@angular/common/http';
+import { Observable } from 'rxjs';
+
+@Injectable()
+export class BasicAuthInterceptor implements HttpInterceptor {
+  intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+    //add authorization header with basic auth credentials if available
+    let auth = localStorage.getItem('authdata');
+    if (auth) {
+        const authReq = request.clone({
+          headers: request.headers.set('Authorization', 'Basic Z3VpOnBhc3N3b3JkMSQ=')
+        });
+
+        // send cloned request with header to the next handler.
+        return next.handle(authReq);
+   }
+
+    return next.handle(request);
+  }
+}
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/data.service.ts b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/data.service.ts
index b391672728..8dfae3da1e 100644
--- a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/data.service.ts
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/data.service.ts
@@ -21,7 +21,7 @@ SPDX-License-Identifier: Apache-2.0
 */
 
 import { Injectable } from '@angular/core';
-import { HttpClient, HttpErrorResponse } from '@angular/common/http';
+import { HttpClient, HttpErrorResponse, HttpHeaders } from '@angular/common/http';
 import { BpmnInfraRequest } from './model/bpmnInfraRequest.model';
 import { catchError } from 'rxjs/operators';
 import { Observable } from 'rxjs';
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/error.interceptor.ts b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/error.interceptor.ts
new file mode 100644
index 0000000000..afe792c80f
--- /dev/null
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/error.interceptor.ts
@@ -0,0 +1,45 @@
+/**
+ ============LICENSE_START=======================================================
+ Copyright (C) 2019 Samsung. All rights reserved.
+ ================================================================================
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+
+ @authors: k.kazak@samsung.com
+ **/
+
+import { Injectable } from '@angular/core';
+import { HttpRequest, HttpHandler, HttpEvent, HttpInterceptor } from '@angular/common/http';
+import { Observable, throwError } from 'rxjs';
+import { catchError } from 'rxjs/operators';
+import {AuthenticationService} from "./authentication.service";
+
+@Injectable()
+export class ErrorInterceptor implements HttpInterceptor {
+  constructor(private authenticationService: AuthenticationService) {}
+
+  intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+    return next.handle(request).pipe(catchError(err => {
+      if (err.status === 401) {
+        // auto logout if 401 response returned from api
+        this.authenticationService.logout();
+        location.reload(true);
+      }
+
+      const error = err.error.message || err.statusText;
+      return throwError(error);
+    }))
+  }
+}
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/login/login.component.html b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/login/login.component.html
new file mode 100644
index 0000000000..107e1da04a
--- /dev/null
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/login/login.component.html
@@ -0,0 +1,43 @@
+<!--
+============LICENSE_START=======================================================
+Copyright (C) 2019 Samsung. All rights reserved.
+================================================================================
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+SPDX-License-Identifier: Apache-2.0
+============LICENSE_END=========================================================
+
+@authors: k.kazak@samsung.com
+-->
+<h2>Login</h2>
+<form [formGroup]="loginForm" (ngSubmit)="onSubmit()">
+  <div class="form-group">
+    <label for="username">Username</label>
+    <input type="text" formControlName="username" class="form-control" [ngClass]="{ 'is-invalid': submitted && f.username.errors }" />
+    <div *ngIf="submitted && f.username.errors" class="invalid-feedback">
+      <div *ngIf="f.username.errors.required">Username is required</div>
+    </div>
+  </div>
+  <div class="form-group">
+    <label for="password">Password</label>
+    <input type="password" formControlName="password" class="form-control" [ngClass]="{ 'is-invalid': submitted && f.password.errors }" />
+    <div *ngIf="submitted && f.password.errors" class="invalid-feedback">
+      <div *ngIf="f.password.errors.required">Password is required</div>
+    </div>
+  </div>
+  <div class="form-group">
+    <button [disabled]="loading" class="btn btn-primary">Login</button>
+    <img *ngIf="loading" src="data:image/gif;base64,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" />
+  </div>
+  <div *ngIf="error" class="alert alert-danger">{{error}}</div>
+</form>
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/login/login.component.spec.ts b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/login/login.component.spec.ts
new file mode 100644
index 0000000000..8cf379d04f
--- /dev/null
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/login/login.component.spec.ts
@@ -0,0 +1,108 @@
+/**
+ ============LICENSE_START=======================================================
+ Copyright (C) 2019 Samsung. All rights reserved.
+ ================================================================================
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+
+ @authors: k.kazak@samsung.com
+ **/
+
+import {async, ComponentFixture, inject, TestBed} from '@angular/core/testing';
+
+import {LoginComponent} from './login.component';
+import {AuthenticationService} from "../authentication.service";
+import {CUSTOM_ELEMENTS_SCHEMA} from "@angular/core";
+import {FormsModule, ReactiveFormsModule} from '@angular/forms';
+import {RouterTestingModule} from "@angular/router/testing";
+import {ActivatedRoute, Router, RouterModule} from "@angular/router";
+
+describe('LoginComponent', () => {
+  // Create SPY Object for Jasmine tests to mock DataService
+  let spyDataService: jasmine.SpyObj<AuthenticationService>;
+  let component: LoginComponent;
+  let fixture: ComponentFixture<LoginComponent>;
+  let router: Router;
+
+  beforeEach(async(() => {
+    spyDataService = jasmine.createSpyObj('AuthenticationService', ['login', 'logout']);
+
+    TestBed.configureTestingModule({
+      providers: [LoginComponent,
+        {provide: AuthenticationService, useValue: spyDataService},
+        {provide: ActivatedRoute, useValue: { snapshot: {queryParams: { returnUrl: 'test'}}}}
+      ],
+      imports: [RouterTestingModule, ReactiveFormsModule, FormsModule, RouterModule.forRoot([])],
+      declarations: [LoginComponent],
+      schemas: [
+        CUSTOM_ELEMENTS_SCHEMA
+      ]
+    });
+
+    fixture = TestBed.createComponent(LoginComponent);
+    component = fixture.componentInstance;
+    router = TestBed.get(Router);
+  }));
+
+
+  it('should create', inject([LoginComponent],
+    (component: LoginComponent) => {
+      expect(component).toBeTruthy();
+    }));
+
+  it('should logout and route to test directory', inject([LoginComponent],
+    (component: LoginComponent) => {
+      component.ngOnInit();
+      expect(component.returnUrl).toBe('test');
+    }));
+
+  it('should logout and route to root directory', inject([LoginComponent],
+    (component: LoginComponent) => {
+      router.initialNavigation();
+      component.ngOnInit();
+      expect(component.returnUrl).toBe('test');
+    }));
+
+  it('should submit without success', inject([LoginComponent],
+    (component: LoginComponent) => {
+      component.ngOnInit();
+      expect(component.loginForm.valid).toBe(false);
+      component.onSubmit();
+      expect(component.submitted).toBe(true);
+    }));
+
+  it('should submit without success', inject([LoginComponent],
+    (component: LoginComponent) => {
+      component.ngOnInit();
+      expect(component.loginForm.valid).toBe(false);
+      spyDataService.login.and.returnValue(Promise.resolve());
+
+      let compiled = fixture.debugElement.nativeElement;
+      let username = compiled.querySelector('input[type="text"]');
+      let password = compiled.querySelector('input[type="password"]');
+
+      fixture.detectChanges();
+
+      // Change value
+      username.value = 'test';
+      password.value = 'password';
+
+      // dispatch input event
+      dispatchEvent(new Event('input'));
+
+      component.onSubmit();
+      expect(component.submitted).toBe(true);
+    }));
+});
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/login/login.component.ts b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/login/login.component.ts
new file mode 100644
index 0000000000..4a3f4e6b0f
--- /dev/null
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/login/login.component.ts
@@ -0,0 +1,81 @@
+/**
+ ============LICENSE_START=======================================================
+ Copyright (C) 2019 Samsung. All rights reserved.
+ ================================================================================
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+ SPDX-License-Identifier: Apache-2.0
+ ============LICENSE_END=========================================================
+
+ @authors: k.kazak@samsung.com
+ **/
+
+import { Component, OnInit } from '@angular/core';
+import {FormBuilder, FormGroup, Validators, ReactiveFormsModule} from "@angular/forms";
+import {ActivatedRoute, Router} from "@angular/router";
+import {AuthenticationService} from "../authentication.service";
+import {first} from "rxjs/internal/operators";
+
+@Component({
+  selector: 'app-login',
+  templateUrl: './login.component.html',
+  styleUrls: []
+})
+export class LoginComponent implements OnInit {
+
+  loginForm: FormGroup;
+  loading = false;
+  submitted = false;
+  returnUrl: string;
+  error = '';
+
+  constructor(private formBuilder: FormBuilder,
+              private route: ActivatedRoute,
+              private router: Router,
+              private authenticationService: AuthenticationService) { }
+
+  ngOnInit() {
+    this.loginForm = this.formBuilder.group({
+      username: ['', Validators.required],
+      password: ['', Validators.required]
+    });
+
+    // logout
+    this.authenticationService.logout();
+
+    this.returnUrl = this.route.snapshot.queryParams['returnUrl'] || '/';
+  }
+
+  // convenience getter for easy access to form fields
+  get f() { return this.loginForm.controls; }
+
+  onSubmit() {
+    this.submitted = true;
+
+    // stop here if form is invalid
+    if (this.loginForm.invalid) {
+      return;
+    }
+
+    this.loading = true;
+    this.authenticationService.login(this.f.username.value, this.f.password.value)
+    .subscribe(
+       next => {
+           this.router.navigate([this.returnUrl]);
+         },
+         error => {
+           this.error = error;
+           this.loading = false;
+         });
+  }
+}
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/sidebar/sidebar.component.html b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/sidebar/sidebar.component.html
index e8b54d7ae3..1c623518c7 100644
--- a/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/sidebar/sidebar.component.html
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/app/sidebar/sidebar.component.html
@@ -1,29 +1,34 @@
-<!--

-============LICENSE_START=======================================================

- Copyright (C) 2018 Ericsson. All rights reserved.

-================================================================================

-Licensed under the Apache License, Version 2.0 (the "License");

-you may not use this file except in compliance with the License.

-You may obtain a copy of the License at

-

-    http://www.apache.org/licenses/LICENSE-2.0

-

-Unless required by applicable law or agreed to in writing, software

-distributed under the License is distributed on an "AS IS" BASIS,

-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

-See the License for the specific language governing permissions and

- limitations under the License.

-

-SPDX-License-Identifier: Apache-2.0

-============LICENSE_END=========================================================

-

-@authors: ronan.kenny@ericsson.com, waqas.ikram@ericsson.com

--->

-

-<nav>

-  <ul>

-    <li>

-      <a routerLink="/">Home</a>

-    </li>

-  </ul>

-</nav>

+<!--
+============LICENSE_START=======================================================
+ Copyright (C) 2018 Ericsson. All rights reserved.
+================================================================================
+ Modifications Copyright (c) 2019 Samsung
+================================================================================
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+ limitations under the License.
+
+SPDX-License-Identifier: Apache-2.0
+============LICENSE_END=========================================================
+
+@authors: ronan.kenny@ericsson.com, waqas.ikram@ericsson.com
+-->
+
+<nav>
+  <ul>
+    <li>
+      <a routerLink="/">Home</a>
+    </li>
+    <li>
+      <a routerLink="/login">Logout</a>
+    </li>
+  </ul>
+</nav>
diff --git a/so-monitoring/so-monitoring-ui/src/main/frontend/src/environments/environment.ts b/so-monitoring/so-monitoring-ui/src/main/frontend/src/environments/environment.ts
index f0c63fe582..484a156fa9 100644
--- a/so-monitoring/so-monitoring-ui/src/main/frontend/src/environments/environment.ts
+++ b/so-monitoring/so-monitoring-ui/src/main/frontend/src/environments/environment.ts
@@ -2,6 +2,8 @@
 ============LICENSE_START=======================================================
  Copyright (C) 2018 Ericsson. All rights reserved.
 ================================================================================
+ Modifications Copyright (c) 2019 Samsung
+================================================================================
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
@@ -24,5 +26,6 @@ SPDX-License-Identifier: Apache-2.0
 export const environment = {
   production: false,
 
-  soMonitoringBackendURL: 'http://so-monitoring:30224/so/monitoring/'
+  soMonitoringBackendURL: 'http://so-monitoring:30224/so/monitoring/',
+  authBackendURL: 'http://so-monitoring:30224/user'
 };